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anonymous
 one year ago
Will fan and medal.
A piece of iron wire has a diameter of 0.485mm. If iron has a density of 7.86g/cc, how long(in meters) should you cute a piece of wire to obtain 0.0214 moles of iron?
anonymous
 one year ago
Will fan and medal. A piece of iron wire has a diameter of 0.485mm. If iron has a density of 7.86g/cc, how long(in meters) should you cute a piece of wire to obtain 0.0214 moles of iron?

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RamiroCruzo
 one year ago
Best ResponseYou've already chosen the best response.1Sorry for short answer @Shaekitchen

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0where does the 56 come from in step 1 ? @RamiroCruzo

RamiroCruzo
 one year ago
Best ResponseYou've already chosen the best response.1Its the Gram Atomic Mass of Fe i.e. mass of 1 mole

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0okay so then why did you put the (3.14)r^2h ? Where does that come from ? @RamiroCruzo

RamiroCruzo
 one year ago
Best ResponseYou've already chosen the best response.1Its the formula of volume of cylinder.....All wires are cylinder.....Oppsy.....Just did wrong calculations.....Misplaced Dia instead of Radius

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so does that mean the answer is wrong ? @RamiroCruzo

RamiroCruzo
 one year ago
Best ResponseYou've already chosen the best response.1\[0.0214mol=\frac{ Req. Mass }{ 56 }\] \[Req. Mass=1.1984gm\] \[Vol.×Density=Req.mass\] \[\pi r ^{2} h \times 7.86gm =1.1984\] \[h=82.52cm\]

RamiroCruzo
 one year ago
Best ResponseYou've already chosen the best response.1:D Sorry..........
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